Anthony, Gardner Chace, 1856- [from old catalog], Ashley, George Francis, [from old catalog] joint author · Boston, D. C. Heath & co. · leaf 50
section with a perpendicular to VN from c(Art. 42, page 30). Produce cV to VN, thusdetermining the line c5, and, therefore, If.Since Va^ is parallel to YN, a^ may be foundby drawing a parallel to VJV from b^ to meetthe perpendicular from a (Art. 35, page22). Likewise d is determined, since ed… … Fig. 82. 34 DESCRIPTIVE GEOMETRY 48. Construction 3. Fig. 83. Let it beassumed that tlie plane iV has been revolvedinto V about FTV as an axis, and that therevolved position of UN has been determined,as mSf, by revolving any point g of the hori-zontal trace of the plane about VJSf as an axis(Art.…
Geometry, Descriptive
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